Troubleshooting msdp, Msdp peers stay in down state, Symptom – H3C Technologies H3C S7500E Series Switches User Manual
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[SwitchC-acl-adv-3001] quit
[SwitchC] msdp
[SwitchC-msdp] peer 10.110.5.2 sa-policy export acl 3001
[SwitchC-msdp] quit
# Configure an SA message rule on Switch D so that Switch D will not create SA messages for Source
2.
[SwitchD] acl number 2001
[SwitchD-acl-basic-2001] rule deny source 10.110.6.100 0
[SwitchD-acl-basic-2001] quit
[SwitchD] msdp
[SwitchD-msdp] import-source acl 2001
[SwitchD-msdp] quit
6) Verify the configuration
View the (S, G) entries cached in the SA cache on the switches using the display msdp sa-cache
command. For example:
# View the (S, G) entries cached in the SA cache on Switch C.
[SwitchC] display msdp sa-cache
MSDP Source-Active Cache Information of VPN-Instance: public net
MSDP Total Source-Active Cache - 8 entries
MSDP matched 8 entries
(Source, Group) Origin RP Pro AS Uptime Expires
(10.110.3.100, 225.1.1.0) 1.1.1.1 ? ? 02:03:30 00:05:31
(10.110.3.100, 225.1.1.1) 1.1.1.1 ? ? 02:03:30 00:05:31
(10.110.3.100, 225.1.1.2) 1.1.1.1 ? ? 02:03:30 00:05:31
(10.110.3.100, 225.1.1.3) 1.1.1.1 ? ? 02:03:30 00:05:31
(10.110.3.100, 226.1.1.0) 1.1.1.1 ? ? 02:03:30 00:05:31
(10.110.3.100, 226.1.1.1) 1.1.1.1 ? ? 02:03:30 00:05:31
(10.110.3.100, 226.1.1.2) 1.1.1.1 ? ? 02:03:30 00:05:31
(10.110.3.100, 226.1.1.3) 1.1.1.1 ? ? 02:03:30 00:05:31
# View the (S, G) entries cached in the SA cache on Switch D.
[SwitchD] display msdp sa-cache
MSDP Source-Active Cache Information of VPN-Instance: public net
MSDP Total Source-Active Cache - 4 entries
MSDP matched 4 entries
(Source, Group) Origin RP Pro AS Uptime Expires
(10.110.3.100, 226.1.1.0) 1.1.1.1 ? ? 00:32:53 00:05:07
(10.110.3.100, 226.1.1.1) 1.1.1.1 ? ? 00:32:53 00:05:07
(10.110.3.100, 226.1.1.2) 1.1.1.1 ? ? 00:32:53 00:05:07
(10.110.3.100, 226.1.1.3) 1.1.1.1 ? ? 00:32:53 00:05:07
Troubleshooting MSDP
MSDP Peers Stay in Down State
Symptom
The configured MSDP peers stay in the down state.